[clang] [llvm] [DirectX] Add target builtins (PR #134439)

[Helena Kotas via llvm-commits]

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@@ -0,0 +1,29 @@
+//===----- SemaDirectX.h ----- Semantic Analysis for DirectX
+// constructs--------===//
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hekota wrote:

Is this supposed to be on 2 lines?

https://github.com/llvm/llvm-project/pull/134439